Flange-pin-retaining clip



H c. EUSER FLANGE PIN RETAINING CLIP Fiied July 31, 1925 Dec. 14 1926.

W W I Lil Patented Dec. 14, 1926.

lJNl'lED STATES HARRY C. BUSER, OE NEVBURGH, NEVI YQEK.

FLANGE-PILFBETAINING (EL-Z33.

Application filed July 31, 1925. Serial No. 47.380.

This invention relates to piano actions anc more particularly to flangepin retaining; means, designed more especially for use on the severalflanges of a piano action to hold the pivot pins in place and to preventtheir working out.

In a piano action there are a large miniher of flanges (88) with pins,and by the p ns working out of place they interfere wi .h the working ofthe others. Ea ch fla ge oi? the action has a piano haininer which thesepins hold; hence it one or more ol the pins work out, it stops the nextadjacent lli i i-em properly working causes the hanmer to hit twostrings instead of one, or indeed. ceases to work at all.

it is therefore an object of this invention to provide means retainingand keeping the flange pins from working out of the flanges used inpiano actions.

Another ohject is to provide a retaining clip which shall in addition toholding the pins in cs aiso provide side wings for reinforcing); theflanges and holding the pin in place, even if the flange should split.

.ilnother object is to provide means by which a pcrn'iancnt repair offlanges may made.

are accomplished by means "th inv the annexed speedions and claiillustrated in the accomdrawing. in which 1 is a perspective view oilflange pin en'ihodvinn my invention. si view oi flange pin retain heldin nosiscrew passing: 7 and SQIQWQt'i tastaining; clip th r l rewed testto action rail. he several fla s ll of the piano action are secured toth action rail E hy the flange screws D the flanges carrying the usualpivot pins A for the hannners.

The pin retaining clip or shield which is preferably made from a singlepiece oi? inetal consists of a flat back or body portion C snhstant allythe same length as the flange to which it is 244 lied, and is providedwith the side wings C which embrace the side faces of the flange B;these side wings at the forward end are extended at an angle thereto toform ears F which extend over the sides of the flange and over the endsof the pivot pin A so that the latter is lrevented from movingtransversely in its bearings.

The forward end of the back or body portion C is cut out as shown inFigs. 1 and 3, tor the passas'e of the pivot end of the ciated swing ingpart held by the pin A, this out out portion giving free access to themoving parts, so that the shield does not in ter'fere with any suchmoving parts. The side wings C reinforce the flange B and guard ae'ainstsplitting ot the flange, and in case olsuch splitting serve to main.-tain the several parts in. their proper relation.

The shank of the flange screw 1) extends tl'iron 'h the aperture C inthe body portion (1, through the iflang' e B and into the action rail E,the head being; screwed up against the flat hack securely holds the sameagainst the flange with the win s C embracing the sides o't the flangean i the ears extending over the encs of the pivot pins A.

Vhat 1 claim as my invention and desire to secure by Letters Patent ofthe United States is- A flange pin retaining; clip con'iprising a flathack for engagement with a flange and having side wings coextensive inlength with and en'ihracing the side edges of the flange wherelv, toreinforce t e same and prevent splitting said back having an aperture toreceive the flange screw, and means at the forward ends of said wings toretain the

